The distribution of results from a cholesterol test has a mean of 180 and a standard deviation of 20. A sample size of 40 is drawn randomly. Find the probability that the sum of the 40 values is greater than 7,400. (Round your answer to four decimal places.) 0.9429 How is the central limit theorem for sums z-score formula used to find the probability?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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The distribution of results from a cholesterol test has a mean of 180 and a standard deviation of 20. A sample size of 40 is drawn randomly.
Find the probability that the sum of the 40 values is greater than 7,400. (Round your answer to four decimal places.)
0.9429
How is the central limit theorem for sums z-score formula used to find the probability?
Transcribed Image Text:The distribution of results from a cholesterol test has a mean of 180 and a standard deviation of 20. A sample size of 40 is drawn randomly. Find the probability that the sum of the 40 values is greater than 7,400. (Round your answer to four decimal places.) 0.9429 How is the central limit theorem for sums z-score formula used to find the probability?
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